<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>好玩的登录页</title>
    <style>
        @import url(../public/style/font/Quicksand.css);

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Quicksand', sans-serif
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #000
        }

        section {
            position: absolute;
            width: 100vw;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
            overflow: hidden
        }

        section::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            background: linear-gradient(#000, #0f0, #000);
            animation: animate 5s linear infinite
        }

        @keyframes animate {
            0% {
                transform: translateY(-100%)
            }
            100% {
                transform: translateY(100%)
            }
        }

        section span {
            position: relative;
            display: block;
            width: calc(6.25vw - 2px);
            height: calc(6.25vw - 2px);
            background: #181818;
            z-index: 2;
            transition: 1.5s
        }

        section span:hover {
            background: #0f0;
            transition: 0s
        }

        section .sigin {
            position: absolute;
            width: 400px;
            background: #222;
            z-index: 1000;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 40px;
            border-radius: 4px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5)
        }

        section .sigin .content {
            position: relative;
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            gap: 40px
        }

        section .sigin .content h2 {
            font-size: 2em;
            color: #0f0
        }

        section .sigin .content .form {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 25px
        }

        section .sigin .content .form .inputBx {
            position: relative;
            width: 100%
        }

        section .sigin .content .form .inputBx input {
            position: relative;
            width: 100%;
            background: #333;
            border: none;
            outline: none;
            padding: 25px 10px 7.5px;
            color: #fff;
            font-weight: 500;
            font-size: 1em
        }

        section .sigin .content .form .inputBx i {
            position: absolute;
            left: 0;
            padding: 15px 10px;
            font-style: normal;
            color: #aaa;
            transition: 0.5s;
            pointer-events: none
        }

        .sigin .content .form .inputBx input:focus ~ i, .sigin .content .form .inputBx input:valid ~ i {
            transform: translateY(-7.5px);
            font-size: 0.8em;
            color: #fff
        }

        .sigin .content .form .links {
            position: relative;
            width: 100%;
            display: flex;
            justify-content: space-between
        }

        .sigin .content .form .links a {
            color: #fff;
            text-decoration: none
        }

        .sigin .content .form .links a:nth-child(2) {
            color: #0f0;
            font-weight: 600
        }

        .sigin .content .form .inputBx input[type="submit"] {
            padding: 10px;
            background: #0f0;
            color: #111;
            font-weight: 600;
            font-size: 1.25em;
            letter-spacing: 0.05em;
            cursor: pointer
        }

        @media (max-width: 900px) {
            section span {
                width: calc(10vw - 2px);
                height: calc(10vw - 2px)
            }
        }

        @media (max-width: 600px) {
            section span {
                width: calc(20vw - 2px);
                height: calc(20vw - 2px)
            }
        }
    </style>
</head>

<body>
<section>
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    <span></span>
    <div class="sigin">
        <div class="content">
            <h2>登录</h2>
            <div class="form">
                <div class="inputBx">
                    <input type="text" required>
                    <i>用户名</i>
                </div>
                <div class="inputBx">
                    <input type="password" required>
                    <i>密码</i>
                </div>
                <div class="links">
                    <a href="#">忘记密码</a>
                    <a href="#">注册</a>
                </div>
                <div class="inputBx">
                    <input type="submit" value="登录" @click="submit()">
                </div>
            </div>
        </div>
    </div>
</section>
</body>

</html>